The STO-1220305-R-E1 from ERAVANT is a Vector Network Analyzer Extender with Extended Frequency 60 to 90 GHz, Input Frequency 10 to 15 GHz, LO Frequency 10 to 15 GHz, Input Power 0 to 6 dBm (LO), 5 dBm (Damage), Dynamic Range 100 to 120 dB. More details for STO-1220305-R-E1 can be seen below.